diff --git a/CHANGES.txt b/CHANGES.txt
index 14c91d4..0dd1f26 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,4 @@
+3.7.1: fix pw requirements
 3.7: initial streaming support (@albertmena)
 3.6.5: allow unsorted tilt series
 3.6.4: adding type hints
diff --git a/aretomo/__init__.py b/aretomo/__init__.py
index 803eb3e..487ef84 100644
--- a/aretomo/__init__.py
+++ b/aretomo/__init__.py
@@ -32,7 +32,7 @@
 from .constants import *
 
 
-__version__ = '3.7'
+__version__ = '3.7.1'
 _logo = "aretomo_logo.png"
 _references = ['Zheng2022']
 
diff --git a/setup.py b/setup.py
index 9ef10b1..a33ab88 100644
--- a/setup.py
+++ b/setup.py
@@ -143,7 +143,8 @@
     #
     # For an analysis of "install_requires" vs pip's requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
-    install_requires=['scipion-em', 'scipion-em-tomo'],  # Optional
+    install_requires=['scipion-em', 'scipion-em-tomo',
+                      'scipion-pyworkflow>=3.0.30'],  # Optional
 
     # List additional groups of dependencies here (e.g. development
     # dependencies). Users will be able to install these using the "extras"